4377c2644e657e6572b25d976e892d23528f4d2b08fb49e2db17364064efe6af

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-09-2024 20:42

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General

Target

4377c2644e657e6572b25d976e892d23528f4d2b08fb49e2db17364064efe6af.dll
Size

260KB
MD5

dd4e80322c5d6c11aa19c4f9a990f8a7
SHA1

671df3f961b56b6b1c1773c9210f3f1cf3fe3deb
SHA256

4377c2644e657e6572b25d976e892d23528f4d2b08fb49e2db17364064efe6af
SHA512

848ca69457595c4db635fb645f1cedb302ee75184ae7ce5d09485dd29547aab368394c4527ad159fca891e1958df40ac91e4c9e54597cda077b16725c86b7019
SSDEEP

6144:FLKfSjNUqju2lQzvRw7zJ61D5+QJkWz/D5WHm1jUUGNQe:FLKfiPSbz5x1D5lvNpCNQ

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Ssaxiboqudolem = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\4377c2644e657e6572b25d976e892d23528f4d2b08fb49e2db17364064efe6af.dll\",Startup"	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2448	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2448	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2448	2236	rundll32.exe	30
PID 2236 wrote to memory of 2448	2236	rundll32.exe	30
PID 2236 wrote to memory of 2448	2236	rundll32.exe	30
PID 2236 wrote to memory of 2448	2236	rundll32.exe	30
PID 2236 wrote to memory of 2448	2236	rundll32.exe	30
PID 2236 wrote to memory of 2448	2236	rundll32.exe	30
PID 2236 wrote to memory of 2448	2236	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4377c2644e657e6572b25d976e892d23528f4d2b08fb49e2db17364064efe6af.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4377c2644e657e6572b25d976e892d23528f4d2b08fb49e2db17364064efe6af.dll,#1
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2448-0-0x0000000002560000-0x00000000025A0000-memory.dmp

Filesize
256KB

Download
memory/2448-1-0x0000000002560000-0x00000000025A0000-memory.dmp

Filesize
256KB

Download
memory/2448-2-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/2448-12-0x0000000002560000-0x00000000025A0000-memory.dmp

Filesize
256KB

Download
memory/2448-13-0x0000000002560000-0x00000000025A0000-memory.dmp

Filesize
256KB

Download
memory/2448-14-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download